<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>
  </head>
  <body>
    <div id="app"></div>
    <script type="text/babel">
      const price = 100;
      const goodName = "Iphone14";
      function fn() {
        return "hello";
      }
      const vDOM = (
        <div>
          <div>商品:{goodName}</div>
          <p>价格是:{price}</p>
          <p>{1+1}</p>
          <p>{fn()}</p>
          <p>{price>50?"expensive":"cheap"}</p>
          <p>{["hello","world"]}{"yes"}</p>
          <p>{true}</p>
          <p>{false}</p>
          <p>{null}</p>
          <p>{Symbol()}</p>
            {/* <p>{undefind}</p>
             <p>{function(){}}</p>
             <p>{{}}</p>*/
             
            }
     
        </div>
      
      );
      ReactDOM.createRoot(document.getElementById("app")).render(vDOM);
    </script>
  </body>
</html>
